HSS9X7X1/4 Steel Rectangular HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Height (h) | 9 | 228.6 mm |
| Width (w) | 7 | 177.8 mm |
| Wall Thickness (t) | 0.25 | 6.3 mm |
| Area (A) | 7.1 in² | 45.8 cm² |
| Weight | 25.82 lb/ft | 38.4 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 84.1 | 57.2 | in⁴ |
| Elastic Section Modulus (S) | 18.7 | 16.3 | in³ |
| Plastic Section Modulus (Z) | 22.2 | 18.7 | in³ |
| Radius of Gyration (r) | 3.44 | 2.84 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 107 | in⁴ |
| Warping Constant (Cw) | 0 | in⁶ |
Design Resources
- Section Properties Database — Compare with other sections
- Steel Grades Reference — Material properties
Frequently Asked Questions
What is the weight of a HSS9X7X1/4 section? 25.82 lb/ft (38.4 kg/m).
What is the section modulus of HSS9X7X1/4? Sx = 18.7 in³, Zx = 22.2 in³ (strong axis). Sy = 16.3 in³, Zy = 18.7 in³ (weak axis).
What steel grade is standard for HSS9X7X1/4? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.
What is the moment of inertia of HSS9X7X1/4? Ix = 84.1 in⁴ about the strong axis and Iy = 57.2 in⁴ about the weak axis. The radius of gyration is rx = 3.44 in and ry = 2.84 in.
Related Pages
Educational reference only. Verify all section properties against the current AISC Manual and mill certificates before design. Results are PRELIMINARY — NOT FOR CONSTRUCTION.